G23493 + Plastic Knurled Head 4-40 Threaded Captive Screw

Plastic knurled head captive screw is 2.2" long, including a 0.75" long x 0.275" diameter knurled head. The center post is 0.155" diameter until the last 0.4" section of the center post where the diameter reduces to 0.095" and has a male 4-40 thread (last 0.13" tip of post). Screw metal part is stainless steel. High quality part. Sells for almost $10!